
SN-L user manual
11
Step4
: connect FC:
Don’t power on FC at first !
Connect the upgraded board like this picture; check the serial port number in the computer management. Then
select the corresponding serial port number in the software. And click on "connect"
Step5
: Load firmware and update
Click the "open" button to load the bin file, then click flash;
The computer will have a 10s countdown, please power on the FC within 10s;
After the FC is powered on, the firmware will be written; 100% indicates that the updata firmware is successfully!